Muhammad Ali has five losses against five opponents on his boxing record. For a list of Ali's best fights, refer to "Best fights of Muhammad Ali".
On December 11, 1981 Muhammad Ali faced off against Trevor Berbick at age 39. He was coming in with a record of 56-5 (37), and Berbick was 27 years old and with a record of 19-2-1 (17). Ali lost the fight via 10-round unanimous decision.
On October 2, 1980 Muhammad Ali fought Larry Holmes in a heavyweight world-title fight for the WBC and The Ring titles. Ali was 38 years old and with a record of 56-4 (37), and Holmes was 30 years old and with a record of 35-0 (26). Ali lost the fight via 10th-round retirement.
On February 15, 1978 Muhammad Ali met Leon Spinks in a heavyweight (WBA, WBC, The Ring) world-title defense fight. Ali was 36 years old and with a record of 55-3 (37), and Spinks was 24 years old and with a record of 6-0-1 (5). Ali lost the fight via 15-round split decision and lost the titles.
On March 31, 1973 Muhammad Ali faced off against Ken Norton in a heavyweight bout at age 31. He was coming in with a record of 41-2 (31), and Norton was 29 years old and with a record of 29-1 (23). Ali lost the fight via 12-round split decision.
On March 8, 1971 Muhammad Ali fought Joe Frazier in a heavyweight world-title fight for the WBA, WBC and The Ring titles. Ali was 29 years old and with a record of 31-1 (25), and Frazier was 27 years old and with a record of 26-0 (23). Ali lost the fight via 15-round unanimous decision.
